Beginning & Intermediate Algebra
Which of the following expressions is a binomial?
Use the distributive property to multiply 3x(2x2−x+4)3x\(\left\)(2x^2-x+4\(\right\)).
Simplify the product x3y2⋅x4y3x^3y^2 · x^4y^3 using exponent laws.
Expand and simplify fully: (x + 2)(x + 3)(x + 4). Show the final cubic polynomial.
A student writes (x2 + x)(x + 3) and expands it as x3 + 3x2 + x2 + 3x, then cancels x2 terms to get x3 + 3x. Which error did the student make?